åçã§æ¯ãè¿ã京é½æ è¡ å æ¥æå¦ããªã京é½8ã«åå ããããåãã¦1人ã§äº¬é½ã¸è¡ã£ã¦ãã¾ãããéåæéãçµã£ã¦ãã¾ã£ãã®ã§ããããã°ã«ã¾ã¨ããªãã¦ããããã¨æã£ã¦ãã¾ãããããã£ãããªã®ã§åçãã¡ã¤ã³ã«è¨é²ãã¦ãããã¨æãã¾ãã åºçºâ·â¶ï¸â·â¶ï¸ããããæ°å¹¹ç·ï¼ æ°å¹¹ç·åå¿è ããã¦ãâ¦
ã調æ»ããèªå·±çµç¹åãããï¼SOMï¼ é ç¾åï¼å»£å® ç¥ä¹ï¼ä¸æ¨ å ç¯ ISDL Reportã No. 20030604003 2003å¹´ 6æ 6æ¥ Abstract å¤ç®çæé©ååé¡ã§ã¯ç®çé¢æ°ãè¤æ°åå¨ãããã, ãã¬ã¼ãæé©è§£ã®æ¬¡å ã¯ç®çé¢æ°ã®æ°ã«ä¾åãã. ãã£ã¦ãã¬ã¼ãæé©è§£ãé«æ¬¡å ã ã£ãå ´å, ãã¬ã¼ãæé©è§£éåã®åå¸ãææ¡ãããã¨ã¯é£ãã, é¸å¥½è§£ã®æ±ºå®ã¯å°é£ã¨ãªã. ããã§ä»å, 大éã®ãã¼ã¿ã®ä¸ã«åå¨ãã, ããå¾åãç¸é¢é¢ä¿ãªã©ã®æ å ±ãè¦ä»ãåºãããã®æè¡ã»ææ³ã§ããèªå·±çµç¹åãããï¼SOMï¼ã«ã¤ãã¦èª¿æ»ãã. SOMã¯å¤æ¬¡å ã®ãã¯ãã«ã«ãã表ããããã¼ã¿ã, ãã®ç¹å¾´ãæ®ãä»ã®ãã¼ã¿ã¨ã®ç¸äºé¢ä¿ãä¿ã£ãã¾ã¾, ï¼æ¬¡å ã®ãããã«ååãããã¨ãåºæ¥ã. ããã«ãã£ã¦, å¤æ¬¡å ã®ãã¼ã¿ã®é¢ä¿ãï¼æ¬¡å å¹³é¢ä¸ã®è·é¢ã¨ãã¦è¡¨ãã, è¦è¦çã«ç解ããããã¨ããç¹å¾´ãæã£ã¦ã
èªå·±çµç¹åããã(Self-Organizing Maps)ã®åºç¤ ä¼è¤ å¬å, å»£å® ç¥ä¹, ä¸æ¨ å ç¯ ISDL Reportã No. 20050822007 2006å¹´ 1æ 8æ¥ Abstract èªå·±çµç¹åããã(Self-Organizing Maps, SOM)ã¯ãã¥ã¼ã©ã«ãããã¯ã¼ã¯ã®ä¸ç¨®ã§ãã. å¤æ¬¡å ã®ãã¼ã¿ã2次å ã«ååãããã¨ãå¯è½ã§ãã, é«æ¬¡å 空éã®å¯è¦åã«ç¨ãããã¨ãå¯è½ã§ãã. ã¾ããããã®å¤æ¬¡å ã®ãã¼ã¿ãäºåç¥èãªãã§ã¯ã©ã¹ã¿ãªã³ã°å¯è½ã§ãã. æ¬å ±åã§ã¯, å¤æ¬¡å ãã¼ã¿ã®å¯è¦å, ã¯ã©ã¹ã¿ãªã³ã°ãç®çã¨ã, SOMã調æ»ãã. ã¾ã, ç¡æé å¸ããã¦ããSOMã®ããã±ã¼ã¸SOM_PAKãå®éã«å©ç¨ãã. 1  ã¯ããã« ååéã§åãæ±ããããã¼ã¿ã¯å¤æ¬¡å ã§ãããã¨ãå¤ã. ã¾ã, ãã¼ã¿ãã¨ã®ç¹å¾´ãªã©ã®äºåç¥èã ãªãä¸ã§, ãã®åé¡ã
èªå¾ç¥çµå¤±èª¿çã®æ²»çè²»ã¯ãç¾å½¹ä¸ä»£ãªã3å²è² æ ã§æ¸ã¿ã¾ããèªå¶æ¥ã®æ¹ãªãå½æ°å¥åº·ä¿éºãä¼ç¤¾ã«å¤ãã¦ããæ¹ãªã社ä¼ä¿éºãé©ç¨ãããã®ã§ãæ²»çè²»ã¯å®éã«ãããéé¡ã®3å²ãæãã ãã§è¯ãã®ã§ããã§ããå®éã«èªå¾ç¥çµå¤±èª¿çã«ãããè²»ç¨ã¯ã©ã®ããããªã®ã§ããããã èªå¾ç¥çµå¤±èª¿çã®æ²»çã«ã¯ãæ°ã¶æï½5年以ä¸ããã人ã¾ã§å®ã«æ§ã ã§ããå»å¸«ã«ãã診å¯æã¯ã1åã«ã¤ã2,000ï½4,000åã§ããããã«ã«ã¦ã³ã»ãªã³ã°æ5,000ï½10,000åãæ¼¢æ¹è¬1ãæå5,000ï½10,000åãé¼ç¸æ²»ç2,000ï½5,000åãçµã¿åãããã¾ããããããå»å¸«ãå¿ è¦ã¨èªããå ´åã¯ãæ²»çè²»ã®è² æ ã¯3å²ã§æ¸ãã®ã§ã1åã®æ¥é¢ã§1ä¸å以ä¸ãããã¨ãããã¨ã¯ã»ã¨ãã©ããã¾ããã ããããç æ°ä¸ã®äººã«ã¯çãåºè²»ããããã¾ãããããèªå¾ç¥çµå¤±èª¿çã®æ²»çè²»ã®æ»åºãé£ããããã§ããã®ãªãã°ãå ¬çãªæ¶å©ã®èªç«æ¯æ´å»çè²»å¶åº¦ã«é ¼ã£ã¦ã¿
æ¦è¦ T. Kohonenã®èªå·±çµç¹åããã(SOM)ã¯ãè¤æ°ã®å±æ§ãããªãå ¥åãã¼ã¿ãæ師ãªãã§èªåçã«åé¡ããææ³ã§ããä¸ä¾ã¨ãã¦ãå¾æ¥ã®SOMã®çµæã次ã«ç¤ºãã¾ããå¾æ¥ã®SOMã§ã¯åºå層ã¦ãããã2次å å¹³é¢ä¸ã«ãã¹ç®ç¶ã«é ç½®ãããããåºåçµæã®è¡¨ç¾ãå¶éããã¾ãã ããã§ãåºå層ã¦ããããå®æ°åº§æ¨ä¸ã«èªç±ã«é ç½®ããããã«ãèªå·±çµç¹åããããæ¡å¼µãã¾ãããå¯è¦åã«ã¯ã¦ãããã®åº§æ¨ãæ¯ç¹ã¨ãããããã¤å³ãç¨ãã¾ããããã«ãã£ã¦ãè¿åé åãåºå層ä¸ã®ã¦ãããã®é ç½®ã«åããã¦æ§ã ãªå½¢ã«ã¨ããã¨ãã§ããæ²é¢ãªã©ã¸ã®é ç½®ã容æã¨ãªãã¾ããããã«ãã¦ãããã®ç§»åãåé¤ãè¡ããå°ãªãã¦ãããã§ãè¦ãããå³ã表示ãããã¨ãã§ããããã«ãã¾ãã RSOMã®çµæã次ã«ç¤ºãã¾ããããã¤ãã®å³ã§ç·ã®å¤ªããç°ãªãã®ã¯ãã¦ãããå士ãä¼¼ã¦ãããªãç´°ç·ã§ãä¼¼ã¦ããªããªã太ç·ã§å¢çç·ã表示ããããã«ãã¦ããããã§ã
èªå·±çµç¹åãããï¼SOMï¼Self Organizing Mapsï¼ã®ã½ã¼ã¹ããã°ã©ã ã®æ´»ç¨æ¹æ³ã«ã¤ã㦠説æãã¦ãã¾ãã
æ¥æ¬åå¦ä¼ã»ã±ã¢ã¤ã³ãã©ããã£ã¯ã¹é¨ä¼ Divison of Chemoinformatics, The Chemical Society of Japan ã±ã¢ã¤ã³ãã©ããã£ã¯ã¹é¨ä¼ã¯æ¥æ¬åå¦ä¼ã®é¨ä¼ã®ä¸ã¤ã§ãåå¦ç 究ã¸ã®æ å ±ã»è¨ç®æ©ã®æ´»ç¨ããã¼ãã¨ããã±ã¢ã¤ã³ãã©ããã£ã¯ã¹é¨ä¼ã¨æ¹ç§°ãã¾ããã以åã¯ãæ å ±åå¦é¨ä¼ãã§ããããæ¨ä»ãã±ã¢ã¤ã³ãã©ããã£ã¯ã¹ãã¨ããç¨èªãä¸è¬ã«ä½¿ãããããã«ãªããã¾ããããããããã¨ã®ãã¨ããããã±ã¢ã¤ã³ãã©ããã£ã¯ã¹é¨ä¼ãã¨æ¹ç§°ãã¾ãããç¾å¨ã®é¨ä¼å¡æ°ã¯ç´300人ã§ãç£å¦å®ã®å¹ åºãåéã«ããã£ã¦ãã¾ããæãå½ã®ã±ã¢ã¤ã³ãã©ããã£ã¯ã¹åéã®çºå±ãæ®åã®ããã«æ´»çºã«æ´»åãã¦ãã¾ããåå¦ã»åå¦å·¥æ¥ãããã¯ä»ã®åéã§ãææ°ã®æ å ±æè¡ã»ã³ã³ãã¥ã¼ã¿æè¡ãæ±ãããã¦ããç 究è ãæè¡è ãå¦çã®æ¹ã ã«ã¯ãã±ã¢ã¤ã³ãã©ããã£ã¯ã¹é¨ä¼ã«å ¥ä¼ããæçãªç¥èã»äº¤æµã®å ´ãç©æ¥µçã«å©
SOM_PAK and LVQ_PAK Two public-domain softare packages, SOM_PAK for the Self-Organizing Map algorithm and LVQ_PAK for the Learning Vector Quantization algorithms are provided (current versions are 3.1). These program packages have been developed to demonstrate the implementation of these algorithms and to ease first experiments. Downloading using WWW Both program packages SOM_PAK and LVQ_PAK, as w
ãã¼ã¿å ¥å ã³ããã³ã®SOM_PAKã®ãµã³ãã«ã»ãã¼ã¿ ex.dat ã使ã ãã® ex.dat ã¯ãsom_pak ããã±ã¼ã¸ã«å«ã¾ãã¦ããã ex.dat ã®æ§æã¯ä»¥ä¸ããã«ãªã£ã¦ããã 5 13.575570 12.656892 -1.424328 -2.302774 404.921600 13.844373 12.610620 -1.435429 -1.964423 404.978180 13.996934 12.669785 -1.384147 -1.830788 405.187378 14.060876 12.755087 -1.378407 -2.020230 404.892548 (以ä¸ä¸ç¥) 24.066832 22.776152 -0.371480 1.382585 409.522491 23.332212 22.386673 -0.440821 0.525516 4
Web2.0ã§ãã使ãããããã«ãªã£ãã¿ã®ã³ã°ãããã¦ã¿ã°ã®è¦æ¹ã®ã²ã¨ã¤ã¨ãã¦ã¿ã°ã¯ã©ã¦ãããããã¿ã°ã¯ã©ã¦ããããã ã®ãªã¹ãå½¢å¼ãããããç¹ã¯ä»¥ä¸ã ããè¦ããã®ã»ã©å¤§ãããè¦ããã ãã ãããã¡ã ãè¦ã¦ããããã°ãåè¦ç´ ã¯åã«ã¢ã«ãã¡ãããé ã«ãªããã§ããã ãã§ãããã¨ããããã ããã ããã§ãã¿ã°ã¯ã©ã¦ãã®æ¬¡ã®æ®µéã¨ãã¦SOMï¼Self Organizing Mapï¼èªå·±çµç¹åãããï¼ãç´¹ä»ããããSOMèªä½ã¯å¤§å¦ã§ã³ã³ãã¥ã¼ã¿ç³»ã®å¦ç§ã§ç¿ããã®ã ãã以ä¸ã®ç¹å¾´ãããã ããè¦ããã®ã»ã©å¤§ãããè¦ããã é¢é£ã®ãããã®ã¯è¿ãã« SOMã®ä¾ã¨ãã¦ã¯ãæ¥çµ225éæã®ããããè¿ãï¼å³å¯ã«ã¯SOMã§ã¯ãªãããä¾ã¨ãã¦ï¼ãæ¥ç¨®ãã¨ã«ã¾ã¨ã¾ããï¼éæã®ååãæ¥ç¨®ãã¨ã®ååãé常ã«ããè¦ã¦åããã¨æãã è¿ããã®ã©ããã§ã«ã¿ããªã¨ãã¦ã¾ã¨ã¾ã£ã¦ããã°è¦ããããåä¸ããã®ã§ããã®æ¹åæ§ã¯ã¢ãªã§ã¯
èªå·±çµç¹åååï¼ãããããããããããè±: Self-organizing maps, SOM, Self-organizing feature maps, SOFMï¼ã¯ãã¥ã¼ã©ã«ãããã¯ã¼ã¯ã®ä¸ç¨®ã§ããã大è³ç®è³ªã®è¦è¦éãã¢ãã«åãããã®ã§ãããèªå·±çµç¹åååã¯ã³ããã³ã«ãã£ã¦ææ¡ãããã¢ãã«ã§ãããæ師ãªãå¦ç¿ã«ãã£ã¦å ¥åãã¼ã¿ãä»»æã®æ¬¡å ã¸ååãããã¨ãã§ããã主ã«1ï½3次å ã¸ã®ååã«ç¨ããããå¤æ¬¡å ã®ãã¼ã¿ã®å¯è¦åãå¯è½ã§ãããåºåã¨ãªã空éãããã (map)ã競å層 (competitive layer)ããããã¯åºå層 (output layer) ã¨å¼ã¶ãåºå層ã«å¯¾ãã¦å ¥åãã¼ã¿ã®ç©ºéãå ¥å層(input layer)ã¨å¼ã¶ãã¨ããããèªå·±çµç¹åååã¯ã³ããã³ããã (Kohonen map)ãã³ããã³ãããã¯ã¼ã¯ (Kohonen network)ãèªå·±çµç¹åããããã½ã
SOMã¨ã¯ èªå·±çµç¹åããã(Self-Organizing Map, SOM)ã¯ï¼T.Kohonenã«ãã1981å¹´é ã«çºè¡¨ãããæ師ãªãå¦ç¿ãã¥ã¼ã©ã«ãããã¯ã¼ã¯ã§ï¼å ¥åãã¿ã¼ã³ç¾¤ããã®é¡ä¼¼åº¦ã«å¿ãã¦åé¡ããè½åãèªå¾çã«ç²å¾ãã¦ãããã¥ã¼ã©ã«ãããã¯ã¼ã¯ã§ããï¼n次å ã®å ¥åãã¼ã¿ç¾¤ããã¥ã¼ãã³ã®ï¼æ¬¡å é åã«ãããã³ã°ãããã®ãï¼æ¬¡å SOMï¼ï¼æ¬¡å é åã«ãããã³ã°ãããã®ãï¼æ¬¡å SOMã¨ããï¼SOMã§ã¯ï¼å ¥åãã¼ã¿ã«å¯¾ãã¦ï¼ãã®ãã¼ã¿ã®ç¹å¾´ãæãããæããããï¼ã¤ã®ãã¥ã¼ãã³ãçºç«ããï¼SOMã¯ï¼å ¥åãã¼ã¿éã®è¿ããï¼ï¼æ¬¡å ã¾ãã¯ï¼æ¬¡å é åä¸ã§çºç«ãããã¥ã¼ãã³ã®è¿ãã«åæ ãããããããã¸ã¼ä¿åæ§ãã¨ããç¹å¾´ãæã¤ï¼ SOMã®ã¢ã«ã´ãªãºã å ¥åãã¼ã¿ãn次å å®æ°ãã¯ãã«x=(x1,x2,...,xn)ã§ä¸ãããï¼ï¼æ¬¡å SOMãm*m(=M)åã®æ ¼åç¹ä¸ã«é ç½®ããããã¥ã¼ãã³ãæã¤ã¨ãã
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